:root {
  --ground: #F4F0EA;
  --surface: #FFFDF9;
  --ink: #1C1916;
  --mute: #5C564F;
  --line: rgba(28, 25, 22, .12);
  --accent: #B5471D;
  --ok: #2F6B3A;
  --warn: #9A6B12;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; }
html, body, #inbox-root { height: 100%; }
body {
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { opacity: .42; cursor: default; }
button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.inbox {
  position: relative;
  display: flex;
  height: 100vh;
  background: var(--ground);
}

.pane {
  min-height: 0;
  border-right: 1px solid var(--line);
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.pane:last-child { border-right: 0; }
.pane-views { flex: 0 0 200px; width: 200px; background: var(--ground); }
.pane-list { flex: 0 0 300px; width: 300px; }
.pane-thread { flex: 1 1 auto; min-width: 0; }
.pane-rail { flex: 0 0 300px; width: 300px; background: var(--ground); }

.pane-inner { display: flex; flex-direction: column; min-height: 0; height: 100%; }
.pane-head { padding: 16px 16px 10px; border-bottom: 1px solid var(--line); }
.pane-head h1 { font-size: 18px; font-weight: 600; letter-spacing: -.02em; }
.pane-head h2 { font-size: 14px; font-weight: 600; }
.console-link {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--mute);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
}
.console-link:hover { color: var(--ink); }

.view-list { padding: 8px 0; overflow: auto; }
.view-item {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 14px;
  border: 0;
  background: transparent;
  color: var(--mute);
  text-align: left;
}
.view-item.is-selected { color: var(--ink); font-weight: 600; box-shadow: inset 4px 0 0 var(--ink); }
.view-count { font-variant-numeric: tabular-nums; font-size: 12px; }

.ticket-list { overflow: auto; }
.ticket-row {
  position: relative;
  width: 100%;
  display: block;
  padding: 12px 16px 12px 18px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
}
.ticket-row .ticket-bar {
  display: none;
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--ink);
}
/* One leading-edge ink bar on the selected ticket (4px). That is the only selection treatment. No wash. */
.ticket-row.is-selected {
  background: var(--surface);
  box-shadow: none;
}
.ticket-row.is-selected .ticket-bar {
  display: block;
  width: 4px;
  background: #1C1916;
}
.ticket-top { display: flex; justify-content: space-between; gap: 8px; }
.ticket-name { font-weight: 600; font-size: 13px; }
.ticket-time { color: var(--mute); font-size: 11px; }
.ticket-subject { display: block; margin-top: 3px; font-size: 13px; }
.ticket-snippet {
  display: block;
  margin-top: 3px;
  color: var(--mute);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thread-inner { min-height: 0; }
.thread-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.thread-head h2 { font-size: 16px; font-weight: 600; }
.thread-subject { color: var(--mute); font-size: 13px; margin-top: 2px; }
.status-badge {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--mute);
  border: 1px solid var(--line);
  padding: 3px 7px;
}
.thread-scroll { flex: 1; overflow: auto; padding: 18px 20px 8px; }
.bubble { max-width: 38rem; margin: 0 0 14px; }
.bubble-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; color: var(--mute); font-size: 12px; }
.bubble-meta strong { color: var(--ink); font-weight: 600; }
.avatar {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  font-size: 10px;
  font-weight: 600;
}
.bubble p { font-size: 14px; line-height: 1.5; }
.status-line { color: var(--mute); font-size: 12px; margin: 10px 0; }
.summarize-row { padding: 8px 20px 0; text-align: center; }

.composer { border-top: 1px solid var(--line); padding: 12px 16px 16px; background: var(--surface); }
.composer-to { font-size: 12px; margin-bottom: 8px; }
.composer-to .mute, .mute { color: var(--mute); }
.composer-box { border: 1px solid var(--line); background: var(--ground); padding: 8px; }
.macro-search {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 6px 8px;
}
.macro-list { max-height: 88px; overflow: auto; padding: 0 0 4px; }
.macro-row {
  position: relative;
  width: 100%;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--mute);
  padding: 5px 8px 5px 12px;
  border: 0;
  background: transparent;
  text-align: left;
}
.macro-row .macro-bar {
  display: none;
  position: absolute;
  left: 0; top: 2px; bottom: 2px;
  width: 3px;
  background: var(--ink);
}
.macro-row.is-selected { color: var(--ink); font-weight: 500; }
.macro-row.is-selected .macro-bar { display: block; }
.macro-title { font-size: 12px; }
.macro-empty { color: var(--mute); font-size: 12px; padding: 4px 8px; }
.macro-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  padding: 0 8px 8px;
}
.composer-box textarea {
  width: 100%;
  min-height: 88px;
  border: 0;
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 10px 8px;
  resize: vertical;
}
.summarize-peek {
  margin: 0 0 10px;
  padding: 0;
  color: var(--mute);
}
.summarize-peek .summarize-text {
  font-size: 12px;
  line-height: 1.45;
  margin-top: 4px;
  color: var(--mute);
}
.draft-strip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--ground);
}
.draft-kicker { font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.draft-text { font-size: 13px; margin-top: 4px; }
.draft-actions { display: flex; gap: 6px; align-items: flex-start; }
.composer-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 10px; }

.btn-ink, .btn-quiet, .btn-hairline {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 500;
}
.btn-ink { background: var(--ink); border-color: var(--ink); color: #FFFDF9; }
.btn-quiet { color: var(--ink); }
.btn-hairline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-send { min-height: 40px; }
.btn-send:disabled,
.btn-send.is-disabled {
  background: var(--ground);
  border-color: var(--line);
  color: var(--mute);
  opacity: 1;
}
.btn-hairline:disabled,
.btn-hairline.is-disabled {
  color: var(--mute);
  opacity: 1;
}

.rail-inner { overflow: auto; padding: 10px; }
.rail-card { background: var(--surface); border: 1px solid var(--line); margin-bottom: 8px; }
.rail-toggle, .rail-sub-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
}
.rail-toggle h2, .rail-sub-toggle h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}
.peek { color: var(--mute); font-weight: 400; font-size: 12px; }
.rail-card[data-open="false"] > .rail-body,
.rail-sub[data-open="false"] > .rail-sub-body,
.rail-body[hidden],
.rail-sub-body[hidden] { display: none !important; }
.rail-body, .rail-sub-body { padding: 0 12px 12px; font-size: 13px; }
.rail-dl { display: grid; gap: 8px; }
.rail-dl div { display: grid; gap: 2px; }
.rail-dl dt { color: var(--mute); font-size: 11px; }
.mono, .order-name { font-family: var(--mono); font-size: 12px; }
.lines { list-style: none; padding: 0; margin: 10px 0; font-size: 12px; }
.line { padding: 6px 0; border-top: 1px solid var(--line); }
.line:first-child { border-top: 0; }
.line-title { font-weight: 500; }
.line-sku { margin-top: 2px; }
.line-meta { margin-top: 2px; color: var(--mute); }
.totals { display: grid; gap: 4px; margin: 8px 0; }
.totals div { display: flex; justify-content: space-between; gap: 8px; }
.addr-stack { display: flex; flex-direction: column; gap: 10px; }
.addr h4 { font-size: 11px; color: var(--mute); font-weight: 600; margin-bottom: 2px; }
.track-link { color: var(--accent); font-family: var(--mono); font-size: 12px; }
.history-row {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  padding: 8px 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  text-align: left;
}
.history-row.is-peeked { box-shadow: inset 4px 0 0 var(--ink); }
.tissue-empty, .tissue-error, .empty-pane { color: var(--mute); font-size: 13px; padding: 16px; }
.tissue-error { color: var(--warn); }
.rail-card.is-error { border-color: rgba(154, 107, 18, .35); }
.rail-card.is-error .btn-hairline { margin: 0 12px 12px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 5;
  padding: 8px 12px;
  background: var(--ink);
  color: #FFFDF9;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
}
.skip-link:focus {
  left: 8px;
}

@media (max-width: 1100px) {
  .inbox { overflow-x: auto; }
  .pane-thread { min-width: 360px; }
}

@media (pointer: coarse) {
  .btn-send { min-height: 44px; }
}